<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8" />
    <style>
        * {
            margin: 0;
            padding: 0;
            overflow: hidden;
        }
    </style>
</head>

<body>
    <script type="importmap">
        {
            "imports": {
                "three": "./../../three/build/three.module.js",
                "three/addons/": "./../../three/examples/jsm/"
            }
        }
    </script>


    <script type="module">
        import * as THREE from 'three';
        import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

        // 创建场景
        const scene = new THREE.Scene();

        // 创建相机
        const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
        camera.position.z = 5;

        // 创建渲染器
        const renderer = new THREE.WebGLRenderer();
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        // 创建一个立方体几何体
        const geometry = new THREE.BoxGeometry();

        // 使用不同的颜色表示方式创建材质
        const material1 = new THREE.MeshBasicMaterial({ color: 0xff0000 }); // 十六进制
        const material2 = new THREE.MeshBasicMaterial({ color: '#00ff00' }); // 十六进制字符串
        const material3 = new THREE.MeshBasicMaterial({ color: 'blue' }); // CSS 颜色字符串
        const material4 = new THREE.MeshBasicMaterial({ color: new THREE.Color(1, 1, 0) }); // RGB
        const material5 = new THREE.MeshBasicMaterial({ color: new THREE.Color('rgb(255, 100, 0)') }); // RGB
        // 带透明度的方式
        const material6 = new THREE.MeshBasicMaterial({
            color: 0xff0000, // 红色
            transparent: true, // 启用透明度
            opacity: 0.3 // 设置透明度
        });

        // 创建多个立方体
        const cube1 = new THREE.Mesh(geometry, material1);
        const cube2 = new THREE.Mesh(geometry, material2);
        const cube3 = new THREE.Mesh(geometry, material3);
        const cube4 = new THREE.Mesh(geometry, material4);
        const cube5 = new THREE.Mesh(geometry, material5);
        const cube6 = new THREE.Mesh(geometry, material6);

        // 将立方体添加到场景中，并调整位置
        cube1.position.x = -2;
        cube2.position.x = -1;
        cube3.position.x = 1;
        cube4.position.x = 2;
        cube5.position.x = -3;
        cube6.position.x = 3;

        scene.add(cube1, cube2, cube3, cube4, cube5, cube6);

        // 添加轨道控制器
        const controls = new OrbitControls(camera, renderer.domElement);

        // 渲染函数
        function animate() {
            requestAnimationFrame(animate);
            renderer.render(scene, camera);
        }

        // 开始动画循环
        animate();
    </script>

</body>

</html>